package com.ruoyi.web.controller.user;

import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.servlet.http.HttpServletResponse;

import com.ruoyi.common.utils.FileUtils;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.PutMapping;
import org.springframework.web.bind.annotation.DeleteMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import com.ruoyi.common.annotation.Log;
import com.ruoyi.common.core.controller.BaseController;
import com.ruoyi.common.core.domain.AjaxResult;
import com.ruoyi.common.enums.BusinessType;
import com.ruoyi.system.domain.Users;
import com.ruoyi.system.service.IUsersService;
import com.ruoyi.common.utils.poi.ExcelUtil;
import com.ruoyi.common.core.page.TableDataInfo;
import org.springframework.web.multipart.MultipartFile;

/**
 * 【请填写功能名称】Controller
 * 
 * @author ruoyi
 * @date 2025-04-19
 */
@RestController
@RequestMapping("/system/users")
public class UsersController extends BaseController
{
    @Autowired
    private IUsersService usersService;

    /**
     * 查询【请填写功能名称】列表
     */
    @PreAuthorize("@ss.hasPermi('system:users:list')")
    @GetMapping("/list")
    public TableDataInfo list(Users users)
    {
        startPage();
        List<Users> list = usersService.selectUsersList(users);
        return getDataTable(list);
    }

    /**
     * 导出【请填写功能名称】列表
     */
    @PreAuthorize("@ss.hasPermi('system:users:export')")
    @Log(title = "【请填写功能名称】", businessType = BusinessType.EXPORT)
    @PostMapping("/export")
    public void export(HttpServletResponse response, Users users)
    {
        List<Users> list = usersService.selectUsersList(users);
        ExcelUtil<Users> util = new ExcelUtil<Users>(Users.class);
        util.exportExcel(response, list, "【请填写功能名称】数据");
    }

    @PostMapping("/upload")
    public ResponseEntity<Map<String, Object>> upload(MultipartFile file)
    {
        Map<String, Object> result = new HashMap<>();
        try {
            // 生成唯一文件名（避免重名）
            String originalFileName = file.getOriginalFilename();
            String fileName = FileUtils.generateUniqueFileName(originalFileName);
            // 保存文件到服务器
            String savePath = UPLOAD_DIR + fileName;
            file.transferTo(new java.io.File(savePath));
            // 返回文件信息（可根据需求添加文件 ID、下载链接等）
            result.put("code", 200);
            result.put("msg", "上传成功");
            result.put("data", new HashMap<String, String>() {{
                put("fileName", fileName);
                put("originalFileName", originalFileName);
                put("downloadUrl", "http://localhost:8080/download/" + fileName); // 下载接口地址
            }});
            return new ResponseEntity<>(result, HttpStatus.OK);

        } catch (Exception e) {
            e.printStackTrace();
            result.put("code", 500);
            result.put("msg", "服务器内部错误");
            return new ResponseEntity<>(result, HttpStatus.INTERNAL_SERVER_ERROR);
        }
    }
    private static final String UPLOAD_DIR = "D:/upload/"; // 服务器文件存储目录




    /**
     * 获取【请填写功能名称】详细信息
     */
//    @PreAuthorize("@ss.hasPermi('system:users:query')")
    @GetMapping(value = "/{usersid}")
    public AjaxResult getInfo(@PathVariable("usersid") Long usersid)
    {
        return success(usersService.selectUsersByUsersid(usersid));
    }

    /**
     * 新增【请填写功能名称】
     */
//    @PreAuthorize("@ss.hasPermi('system:users:add')")
    @Log(title = "【请填写功能名称】", businessType = BusinessType.INSERT)
    @PostMapping
    public AjaxResult add(@RequestBody Users users)
    {
        return toAjax(usersService.insertUsers(users));
    }

    /**
     * 修改【请填写功能名称】
     */
//    @PreAuthorize("@ss.hasPermi('system:users:edit')")
//    @Log(title = "【请填写功能名称】", businessType = BusinessType.UPDATE)
    @PutMapping
    public AjaxResult edit(@RequestBody Users users)
    {
        return toAjax(usersService.updateUsers(users));
    }

    /**
     * 删除【请填写功能名称】
     */
    @PreAuthorize("@ss.hasPermi('system:users:remove')")
    @Log(title = "【请填写功能名称】", businessType = BusinessType.DELETE)
	@DeleteMapping("/{usersids}")
    public AjaxResult remove(@PathVariable Long[] usersids)
    {
        return toAjax(usersService.deleteUsersByUsersids(usersids));
    }
}
